public static ColumnIdent getChild(ColumnIdent parent, String name) {
if (parent.isColumn()) {
return new ColumnIdent(parent.name, name);
}
List<String> childPath = ImmutableList.<String>builder().addAll(parent.path).add(name).build();
return new ColumnIdent(parent.name, childPath);
}
private ColumnIdent childIdent(ColumnIdent ident, String name) {
if (ident == null) {
return new ColumnIdent(name);
}
if (ident.isColumn()) {
return new ColumnIdent(ident.name(), name);
} else {
ImmutableList.Builder<String> builder = ImmutableList.builder();
for (String s : ident.path()) {
builder.add(s);
}
builder.add(name);
return new ColumnIdent(ident.name(), builder.build());
}
}
